The guide leg is adjustable in relation to the needle to compensate for various material thicknesses and is held in place by a knurled steel fastener

The 22X titanium coated scoring wheel has just scored the tile

Crain 525 Wide Knee Kicker has a wider gripping head with four gripper inserts and an extra row of hardened steel pins (19 total)

Then the Maxititina is used to spread the grout and pack the joint full

Raimondi Maxititina Floor Machine 24 Grit Double Sided Carbide Disc Roofing Hot Air Gun The guide leg is adjustableRaimondi Maxititina Floor Machine 18" 24 Grit Double Sided Carbide Disc. Coarse 24 grit for quick floor grinding. Scarifying surfaces to improve the bonding of tile and marble adhesives.