These are a yellow crayons . a 'China Marker'. They might work on paper but they are useless on rubber or any other material I have tried.For marking tires use a paint marker instead: Allstar Performance ALL12051 Yellow Paint Marker or Sharpie Oil-Based Paint Marker, Medium Point, Single, Yellow (SAN35554)
Rechargeable screwdriver OA-3,6F (433.0.2.00), 3.6 V, 1.3 Ah Li-ion, blister
46 Review
Tool set Ombra OMT82S12, 82 pcs, brown
22 Review
Bit and socket set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
46 Review
Xiaomi Mijia Ratchet Screwdriver 16 in 1 Screwdriver with Interchangeable Bits, 10 pcs, Black
22 Review